Improvement of Alternative Crop Phenology Detection Algorithms using MODIS NDVI Time Series Data in US Corn Belt Region

Jihye Lee, National Center for AgroMeteorology, Seoul, South Korea, Sinkyu Kang, Kangwon National University, Chuncheon, South Korea, Bumsuk Seo, Kangwon National University, Department of Environmental Science, Chuncheon, Korea, Republic of (South) and Kyungdo Lee, National Agricultural Satellite Center, National Institute of Agricultural Sciences, Jeonju-si, South Korea